... , BS and GB Flange etc4Size: 1/2"-24" Flange5Printing: Yellow paint, black paint, oil and Zn6Class: 150LB~1500LB7Material: Carbon steel8Usage ... : Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, etc9Packing: Wooden cases or Wooden pallets10Delivery time ... products are made under the ISO9001strictly oil and gas pipe flange